diff --git a/configure.py b/configure.py
index e0e780d..eaeb378 100755
--- a/configure.py
+++ b/configure.py
@@ -143,7 +143,7 @@ if not config.non_matching:
 
 # Tool versions
 config.binutils_tag = "2.42-1"
-config.compilers_tag = "20240706"
+config.compilers_tag = "20250520"
 config.dtk_tag = "v1.5.1"
 config.objdiff_tag = "v3.0.0-beta.8"
 config.sjiswrap_tag = "v1.2.1"
diff --git a/tools/project.py b/tools/project.py
index 47e9f9d..5ea39bb 100644
--- a/tools/project.py
+++ b/tools/project.py
@@ -1439,6 +1439,7 @@ def generate_objdiff_config(
     COMPILER_MAP = {
         "GC/1.0": "mwcc_233_144",
         "GC/1.1": "mwcc_233_159",
+        "GC/1.1p1": "mwcc_233_159p1",
         "GC/1.2.5": "mwcc_233_163",
         "GC/1.2.5e": "mwcc_233_163e",
         "GC/1.2.5n": "mwcc_233_163n",